S13 Silvia / 180sx Replacement Overflow bottle

One of the most common problems with S13 silvias and 180sx's is cracked overflow bottles. GKTECH have made these to the highest standards and to be a direct replacement of your standard overflow bottle.

Our overflow bottles are stronger than factory and are guaranteed to last the test of time!

- 100% direct replacement of your standard overflow bottle
- Fits both S13 and 180sx/240sx with any engine setup
- Stronger than the factory overflow bottle. GUARANTEED!